def compute_name_server_resources(self, name_servers):
ns = []
ar = []
for name_server, ip, ttl in name_servers:
ns.append({'qtype':2, 'qclass':1, 'ttl':ttl, 'rdata':utils.labels2str(name_server)})
ar.append({'qtype':1, 'qclass':1, 'ttl':ttl, 'rdata':struct.pack("!I", ip)})
return ns, ar
def format_resource(self, resource, question):
"""Formats the resource fields to be used in the response packet"""
r = ''
r += utils.labels2str(question)
r += struct.pack("!HHIH", resource['qtype'], resource['qclass'], resource['ttl'], len(resource['rdata']))
r += resource['rdata']
return r
def format_question(self, question, qtype, qclass):
"""Formats the question field to be used in the response packet"""
q = utils.labels2str(question)
q += struct.pack("!HH", qtype, qclass)
return q
